diff --git a/doc/bugs/FTBFS_for_the_2nd_day.mdwn b/doc/bugs/FTBFS_for_the_2nd_day.mdwn
new file mode 100644
index 0000000000..afab6f5156
--- /dev/null
+++ b/doc/bugs/FTBFS_for_the_2nd_day.mdwn
@@ -0,0 +1,25 @@
+### Please describe the problem.
+
+Got the report in the past days that failed to build across all platforms. Looked today:
+
+```
+[274 of 679] Compiling CmdLine.Usage    ( CmdLine/Usage.hs, dist/build/git-annex/git-annex-tmp/CmdLine/Usage.o )
+
+CmdLine/Usage.hs:63:1: error:
+    Duplicate type signatures for `paramRemote'
+    at CmdLine/Usage.hs:61:1-11
+       CmdLine/Usage.hs:63:1-11
+   |
+63 | paramRemote :: String
+   | ^^^^^^^^^^^
+
+CmdLine/Usage.hs:64:1: error:
+    Multiple declarations of `paramRemote'
+    Declared at: CmdLine/Usage.hs:62:1
+                 CmdLine/Usage.hs:64:1
+   |
+64 | paramRemote = "REPOSITORY"
+   | ^^^^^^^^^^^
+```
+
+on Debian, didn't check if other systems are anyhow different, will bounce report with pointers just in case.